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| author | Tony Lindgren <tony@atomide.com> | 2010-08-04 14:43:45 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2010-08-04 14:43:45 +0300 |
| commit | 7590d1defdc720a97a9e186f45f529c4ae1b40f7 (patch) | |
| tree | e7ffdc043a2847f410d654d8e99e001f3138937a /arch/arm/mach-imx/mx1-camera-fiq.S | |
| parent | 7e788b4289bb025a96e327c604cb2db92e17108f (diff) | |
| parent | 869fef41547db95df8523bf67845a21313709428 (diff) | |
Merge branch 'devel-map-io' into omap-for-linus
Diffstat (limited to 'arch/arm/mach-imx/mx1-camera-fiq.S')
| -rw-r--r-- | arch/arm/mach-imx/mx1-camera-fiq.S | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mx1-camera-fiq.S b/arch/arm/mach-imx/mx1-camera-fiq.S new file mode 100644 index 00000000000..9c69aa65bf1 --- /dev/null +++ b/arch/arm/mach-imx/mx1-camera-fiq.S @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2008 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> + * + * Based on linux/arch/arm/lib/floppydma.S + * Copyright (C) 1995, 1996 Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include <linux/linkage.h> +#include <asm/assembler.h> + + .text + .global mx1_camera_sof_fiq_end + .global mx1_camera_sof_fiq_start +mx1_camera_sof_fiq_start: + @ enable dma + ldr r12, [r9] + orr r12, r12, #0x00000001 + str r12, [r9] + @ unmask DMA interrupt + ldr r12, [r8] + bic r12, r12, r13 + str r12, [r8] + @ disable SOF interrupt + ldr r12, [r10] + bic r12, r12, #0x00010000 + str r12, [r10] + @ clear SOF flag + mov r12, #0x00010000 + str r12, [r11] + @ return from FIQ + subs pc, lr, #4 +mx1_camera_sof_fiq_end: |